Home / 85,015.02-127,347.48-49,869.93

Finding the Fourth Proportional to 85,015.02, 127,347.48 and 49,869.93

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Solution

The fourth proportional to 85,015.02, 127,347.48 and 49,869.93 is: 74,702.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,015.02 : 127,347.48 = 49,869.93 : x
  2. Step 2: Convert to fraction form
    85,015.02/127,347.48 = 49,869.93/x
  3. Step 3: Cross multiply
    85,015.02x = 127,347.48 × 49,869.93
  4. Step 4: Simplify right side
    85,015.02x = 6,350,809,913.28
  5. Step 5: Solve for x
    x = 6,350,809,913.28/85,015.02
  6. Step 6: Final answer
    x = 74,702.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.